CN220578716U - Special hoisting tool for ball valve sealing movable ring of large-scale unit - Google Patents
Special hoisting tool for ball valve sealing movable ring of large-scale unit Download PDFInfo
- Publication number
- CN220578716U CN220578716U CN202321280608.5U CN202321280608U CN220578716U CN 220578716 U CN220578716 U CN 220578716U CN 202321280608 U CN202321280608 U CN 202321280608U CN 220578716 U CN220578716 U CN 220578716U
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- Prior art keywords
- movable ring
- hoisting
- ball valve
- ring
- scale unit
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- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000006748 scratching Methods 0.000 claims description 3
- 230000002393 scratching effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a special tool for hoisting a ball valve sealing movable ring of a large-scale unit, and belongs to the technical field of maintenance of large-scale units of hydropower stations. The special tool for hoisting the ball valve sealing movable ring of the large-scale unit comprises a cross rod, a connecting rod, a force arm, a cross beam, a supporting block and a hanging ring; the two ends of the connecting rod are respectively abutted with a cross rod and a force arm, the other end of the force arm is provided with a cross beam, the two ends of the cross beam are provided with supporting blocks for supporting and hoisting the movable ring inner arms, the supporting blocks are provided with fixing bolts which can be in threaded matched connection with lifting holes on the movable ring, and the cross rod is provided with lifting rings. According to the utility model, through the head-to-tail connection of the cross rod, the connecting rod and the force arm, the cross rod can extend into the movable ring, the hoisting gravity center can be ensured, the vertical direction of the end surface of the movable ring during hoisting can be ensured, the disassembly and assembly are convenient, excessive manual assistance is not needed, the time and the labor are saved, the operation is simple and convenient, and the improvement of the working efficiency is facilitated.
Description
Technical Field
The utility model belongs to the technical field of maintenance of large-scale units of hydropower stations, and particularly relates to a special tool for hoisting a ball valve sealing movable ring of a large-scale unit.
Background
The movable sealing ring of the ball valve of the large-scale unit of the hydropower station is a core component in the ball valve seal, and is made of stainless steel materials and matched with a fixed ring of a working seal and an overhaul seal to form a steel body linear seal. The diameter of the movable sealing ring of the ball valve of the large-scale unit is large, and because the surface of the movable ring is not provided with available hanging points, a plurality of seals are generally arranged on the surface of the movable ring, when the movable ring is overhauled, disassembled and assembled back, the movable ring is lifted by adopting a conventional hanging strip lifting mode, the verticality of the end face of the movable ring during lifting cannot be ensured, the connection of hanging strips cannot be realized before the top of the movable ring is pushed out, and the disassembly and the assembly back of the movable ring cannot be completed.
Therefore, it is necessary to provide a special tool for hoisting the sealing movable ring of the ball valve of the large-scale unit, which can not only meet the disassembly and the assembly back of the movable ring in the hoisting state, but also can not damage the sealing of the surface of the movable ring, so that the movable ring of the ball valve can be conveniently and smoothly carried out when the sealing is replaced.
Disclosure of Invention
In order to overcome the problems that in the background technology, a conventional sling lifting mode is adopted, the vertical direction of the end face of a movable ring during lifting cannot be guaranteed, the connection of a sling cannot be realized before the top of the movable ring is pushed out, and the disassembly and the reloading of the movable ring cannot be completed, the utility model provides a special tool for lifting the sealed movable ring of a ball valve, which ensures that a cross beam can extend into the movable ring through the head-to-tail connection of a cross rod, a connecting rod and a force arm, and simultaneously ensures the lifting gravity center, the vertical direction of the end face of the movable ring during lifting, is convenient to disassemble and assemble, does not need excessive manual assistance, and is time-saving and labor-saving; during disassembly, the movable ring can be pushed out after being supported by the supporting blocks, and during installation, the lifting appliance can be withdrawn after the movable ring is installed in place, so that the operation is simple and convenient, and the improvement of the working efficiency is facilitated.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a special tool for hoisting a ball valve sealing movable ring of a large-scale unit, which comprises a cross rod 1, a connecting rod 2, a force arm 3, a cross beam 4, a supporting block 5 and a hanging ring 6; the two ends of the connecting rod 2 are respectively abutted with the cross rod 1 and the force arm 3, the other end of the force arm 3 is provided with the cross beam 4, the two ends of the cross beam 4 are provided with the supporting blocks 5 for supporting and hoisting the inner arms of the movable ring 7, the supporting blocks 5 are provided with the fixing bolts 10 which can be in threaded matched connection with the lifting holes of the movable ring 7, and the cross rod 1 is provided with the lifting rings 6.
Preferably, the upper supporting surface of the supporting block 5 is a curved surface coaxial with the movable ring 7 during hoisting.
Preferably, a rubber pad 8 which can increase friction and prevent scratching the inner arm of the movable ring 7 is arranged on the upper supporting surface of the supporting block 5.
Preferably, the supporting block 5 is hinged with the cross beam 4.
Preferably, the cross bar 1 is provided with a waist-shaped hole, and the hanging ring 6 is connected with the waist-shaped hole on the cross bar 1 in a matched manner through a screw and a nut.
Preferably, the joints of the cross rod 1 and the arm 3 and the connecting rod 2 are reversely prolonged, and reinforcing rib plates 9 are arranged at the joints of the cross rod 1 and the arm 3 and the connecting rod 2.
The utility model has the beneficial effects that:
according to the utility model, through the head-to-tail connection of the cross rod, the connecting rod and the force arm, the cross rod can extend into the movable ring, the hoisting gravity center can be ensured, the end face of the movable ring can be vertical during hoisting, the disassembly and assembly are convenient, excessive manual assistance is not needed, and time and labor are saved; during disassembly, the movable ring can be pushed out after being supported by the supporting blocks, and during installation, the lifting appliance can be withdrawn after the movable ring is installed in place, so that the operation is simple and convenient, and the improvement of the working efficiency is facilitated.
Drawings
FIG. 1 is a schematic perspective view of a spindle according to the present utility model;
FIG. 2 is a schematic perspective view of the utility model in a upward direction;
fig. 3 is a schematic perspective view of the utility model in an operating state.
In the figure, a cross rod 1-, a connecting rod 2-, a force arm 3-, a cross beam 4-, a supporting block 5-, a lifting ring 6-, a movable ring 7-, a rubber pad 8-, a reinforcing rib plate 9-and a fixing bolt 10-are arranged.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present utility model more apparent, preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate understanding of the skilled person.
As shown in fig. 1-3, the special tool for hoisting the ball valve sealing movable ring of the large-scale unit comprises a cross rod 1, a connecting rod 2, a force arm 3, a cross beam 4, a supporting block 5 and a hanging ring 6, wherein the cross rod 1 and the force arm 3 are respectively in butt joint at two ends of the connecting rod 2, the cross beam 4 is installed at the other end of the force arm 3, the supporting block 5 for supporting and hoisting the inner arm of the movable ring 7 is installed at two ends of the cross beam 4, a bolt 10 which can be in threaded matched connection with a hanging hole of the movable ring is arranged on the supporting block 5, the bolt 10 is in threaded connection with the hanging hole of the movable ring, the hoisting is ensured to be stable in the hoisting process, the safe construction is ensured, and the hanging ring 6 is installed on the cross rod 1; through the head-to-tail connection of the cross rod 1, the connecting rod 2 and the force arm 3, the cross beam 4 can extend into the movable ring 7, the hoisting gravity center can be ensured, the end face of the movable ring can be vertical during hoisting, the disassembly and assembly are convenient, excessive manual assistance is not needed, and time and labor are saved; during disassembly, the movable ring 7 can be pushed out after being supported by the supporting blocks 5, and during installation, the lifting appliance can be withdrawn after the movable ring 7 is installed in place, so that the operation is simple and convenient, and the improvement of the working efficiency is facilitated.
The upper supporting surface of the supporting block 5 is a curved surface coaxial with the movable ring 7 during hoisting, the curved surface of the inner surface of the movable ring 7 can be well matched, the rubber cushion 8 capable of increasing friction and preventing scratching the inner arm of the movable ring 7 is arranged on the upper supporting surface of the supporting block 5, and the stability of the supporting block 5 on the movable ring 7 is ensured.
The supporting shoe 5 articulated with crossbeam 4, but fine setting turned angle, the arcwall face of the 7 internal surface of match expansion ring that can be better has seted up waist type hole on the horizontal pole 1, rings 6 pass through the waist type hole matching connection on screw rod and nut and the horizontal pole 1, adjustable rings 6's position guarantees the hoist and mount focus, guarantees expansion ring 7 terminal surface straightness that hangs down, horizontal pole 1 and arm of force 3 all reverse extension with connecting rod 2 junction, horizontal pole 1 and arm of force 3 all are equipped with deep floor 9 with connecting rod 2 junction, guarantee the stability of being connected between horizontal pole 1 and arm of force 3 and the connecting rod 2.
The working process of the utility model comprises the following steps:
through the head-to-tail connection of the cross rod 1, the connecting rod 2 and the force arm 3, the cross beam 4 can extend into the movable ring 7, the hoisting gravity center can be ensured, the end face of the movable ring can be vertical during hoisting, the disassembly and assembly are convenient, excessive manual assistance is not needed, and time and labor are saved; during disassembly, the movable ring 7 can be pushed out after being supported by the supporting blocks 5, and during installation, the lifting appliance can be withdrawn after the movable ring 7 is installed in place, so that the operation is simple and convenient, and the improvement of the working efficiency is facilitated.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (6)
1. A large-scale unit ball valve seals expansion ring hoist and mount specialized tool, its characterized in that: the special hoisting tool for the ball valve sealing movable ring of the large-scale unit comprises a cross rod (1), a connecting rod (2), a force arm (3), a cross beam (4), a supporting block (5) and a hoisting ring (6); the connecting rod (2) both ends dock respectively and have horizontal pole (1) and arm of force (3), crossbeam (4) are installed to the other end of arm of force (3), supporting shoe (5) that are used for supporting the hoist and mount in expansion ring (7) inner arm are installed at crossbeam (4) both ends, be equipped with on supporting shoe (5) can with expansion ring (7) on hanging hole screw thread assorted connection's fixing bolt (10), install rings (6) on horizontal pole (1).
2. The special tool for hoisting the sealing movable ring of the ball valve of the large unit according to claim 1, which is characterized in that: the upper supporting surface of the supporting block (5) is a curved surface coaxial with the movable ring (7) during hoisting.
3. The special tool for hoisting the ball valve sealing movable ring of the large-scale unit according to claim 1 and 2, which is characterized in that: the upper supporting surface of the supporting block (5) is provided with a rubber pad (8) which can increase friction and prevent scratching the inner arm of the movable ring (7).
4. The special tool for hoisting the sealing movable ring of the ball valve of the large-scale unit according to claim 1 or 2, which is characterized in that: the supporting block (5) is hinged with the cross beam (4).
5. The special tool for hoisting the sealing movable ring of the ball valve of the large-scale unit according to claim 1 or 2, which is characterized in that: the cross rod (1) is provided with a waist-shaped hole, and the hanging ring (6) is connected with the waist-shaped hole on the cross rod (1) in a matching way through a screw and a nut.
6. The special tool for hoisting the sealing movable ring of the ball valve of the large-scale unit according to claim 1 or 2, which is characterized in that: the connection parts of the cross rod (1) and the arm of force (3) and the connecting rod (2) are reversely prolonged, and the connection parts of the cross rod (1) and the arm of force (3) and the connecting rod (2) are provided with reinforcing rib plates (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321280608.5U CN220578716U (en) | 2023-05-25 | 2023-05-25 | Special hoisting tool for ball valve sealing movable ring of large-scale unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321280608.5U CN220578716U (en) | 2023-05-25 | 2023-05-25 | Special hoisting tool for ball valve sealing movable ring of large-scale unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220578716U true CN220578716U (en) | 2024-03-12 |
Family
ID=90118788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321280608.5U Active CN220578716U (en) | 2023-05-25 | 2023-05-25 | Special hoisting tool for ball valve sealing movable ring of large-scale unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220578716U (en) |
-
2023
- 2023-05-25 CN CN202321280608.5U patent/CN220578716U/en active Active
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